- Transition begins Wednesday (May 28, 2026): After several dry days, conditions will shift to a humid and unstable pattern.
- Tropical moisture influx: Winds will shift from the south, bringing moisture from the Caribbean and Gulf, fueling widespread showers and thunderstorms.
- Temperatures: Despite increased cloud cover, highs will remain in the upper 80s to low 90s°F, with heat indices exceeding 100°F.
- Flood risk: The Weather Prediction Center (WPC) has issued a Level 1 of 4 marginal risk for flash flooding beginning Thursday, which may extend into the weekend and early next week.
Detailed Outlook
- Tuesday (May 27): High pressure keeps rain chances low along the east coast, with scattered storms mainly on the west coast.
- Wednesday onward: Expect a gradual increase in rain coverage, especially in the afternoons, as tropical moisture surges into the region.
- Weekend: Persistent humid conditions will sustain frequent thunderstorms, raising the potential for localized flooding in vulnerable areas.
Context
This shift marks the end of the recent dry spell in South Florida. While the rain will help ease drought conditions, the combination of heat and heavy downpours could create dangerous flooding in low‑lying neighborhoods. Residents are advised to monitor forecasts closely, avoid driving through flooded streets, and prepare for several days of unsettled weather.
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